1992-02-01 100%

2001-06-01 65%

1996-05-01 63.5%

1992-09-01 63.3%

2013-02-01 62.7%

2007-08-01 62.5%

1993-02-01 62.1%

1993-01-01 62.1%

1999-06-01 61.9%

1991-03-01 61.7%

2008-08-01 61.5%

1995-09-01 61.3%

1992-01-01 61.1%

1992-07-01 60.9%

2014-05-01 60.9%

2002-07-01 60.7%

1996-06-01 60.7%

1997-09-01 60.5%

2002-04-01 60.4%

2006-03-01 60.2%

2007-07-01 60%

2001-08-01 59.8%

2012-03-01 59.8%

2008-10-01 59.8%

1998-10-01 59.6%

2009-02-01 59.2%

2013-01-01 59.2%

2012-07-01 59.2%

2000-06-01 59.2%

2002-03-01 59.2%

1996-04-01 59%

1987-11-01 59%

2013-05-01 58.8%

2012-08-01 58.6%

2004-02-01 58.6%

1995-07-01 58.6%

1994-10-01 58.4%

2002-10-01 58.4%

2019-04-04 58.2%

1998-04-01 58%

1994-12-01 58%

1993-09-01 57.8%

1994-09-01 57.8%

1994-04-01 57.6%

1988-11-01 57.6%

2010-08-01 57.4%

2002-02-01 57.4%

2001-10-01 57.4%

2012-09-01 57.4%

1997-01-01 57.2%